//
// Created by 51165 on 2025/10/22.
//
#include <stdio.h>
int main() {
    int n = 0;

    while (scanf("%d",&n) != EOF) {
        for (int i = 0;i < n;i++) {
            for (int j = 0;j < n; j++) {
                if (j == i) {
                    printf("*");
                }
                else if(j == n - i - 1) {
                    printf("*");
                }
                else {
                    printf(" ");
                }
            }
                printf("\n");
        }
    }
}